These are the Perl 6 Tablets, a comprehensive manual, aimed to support many different ways of learning. The content is nicely sorted and indexed and many links allow you to follow your interest freely. For a lightweight introduction, try the Perl 6 Tutorial. If its too easy, read the specs.

DISCLAIMER: completely translated are currently only the introduction and 5 appendices.
COMPLETED: Intro and Tablet 1
USEFUL: Tablet 3 and Appendix A,B,E,F are almost complete